org.semarglproject.source

Class StreamProcessor

java.lang.Object

org.semarglproject.source.BaseStreamProcessor

org.semarglproject.source.StreamProcessor

public final class StreamProcessor
extends BaseStreamProcessor

Simple pipeline managing wrapper. Automatically instantiates source appropriate for specified sink. Provides processing and setup methods.
List of supported properties:

• XML_READER_PROPERTY

Field Summary

Fields

Modifier and Type	Field and Description
static String	ENABLE_ERROR_RECOVERY Used as a key with setProperty(String, Object) method.
static String	PROCESSOR_GRAPH_HANDLER_PROPERTY Used as a key with setProperty(String, Object) method.
static String	XML_READER_PROPERTY Used as a key with setProperty(String, Object) method.

Constructor Summary

Constructors

Constructor and Description
StreamProcessor(DataSink sink) Instantiates stream processor for pipe starting with specified sink.

Method Summary

Modifier and Type	Method and Description
protected void	endStream()
void	processInternal(InputStream inputStream, String mimeType, String baseUri)
void	processInternal(Reader reader, String mimeType, String baseUri)
boolean	setProperty(String key, Object value) Key-value based settings.
protected void	startStream()

Methods inherited from class org.semarglproject.source.BaseStreamProcessor

createSourceForSink, process, process, process, process, process, process, process, process

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

XML_READER_PROPERTY

public static final String XML_READER_PROPERTY

Used as a key with setProperty(String, Object) method. Allows to specify custom XMLReader used with SAX parsers.

See Also:

Constant Field Values

ENABLE_ERROR_RECOVERY

public static final String ENABLE_ERROR_RECOVERY

Used as a key with setProperty(String, Object) method. Enables or disables error recovery mechanism.

See Also:

Constant Field Values

PROCESSOR_GRAPH_HANDLER_PROPERTY

public static final String PROCESSOR_GRAPH_HANDLER_PROPERTY

Used as a key with setProperty(String, Object) method. Allows to specify handler for processor events. Subclass of ProcessorGraphHandler must be passed as a value.

See Also:

Constant Field Values

Constructor Detail

StreamProcessor

public StreamProcessor(DataSink sink)

Instantiates stream processor for pipe starting with specified sink.

Parameters:

sink - pipe's input

Method Detail

processInternal

public void processInternal(InputStream inputStream,
                            String mimeType,
                            String baseUri)
                     throws ParseException

Specified by:

processInternal in class BaseStreamProcessor

Throws:

ParseException

startStream

protected void startStream()
                    throws ParseException

Specified by:

startStream in class BaseStreamProcessor

Throws:

ParseException

endStream

protected void endStream()
                  throws ParseException

Specified by:

endStream in class BaseStreamProcessor

Throws:

ParseException

processInternal

public void processInternal(Reader reader,
                            String mimeType,
                            String baseUri)
                     throws ParseException

Specified by:

processInternal in class BaseStreamProcessor

Throws:

ParseException

setProperty

public boolean setProperty(String key,
                           Object value)

Description copied from class: BaseStreamProcessor

Key-value based settings. Property settings are passed to child sinks.

Specified by:

setProperty in class BaseStreamProcessor

Parameters:

key - property key

value - property value

Returns:

true if at least one sink understands specified property, false otherwise